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24038 (1999 SL8)
Classification: Main-belt Asteroid          SPK-ID: 2024038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464702253256583 4.98e-08  
a 2.287281399842901 5.8268e-09 au
q 1.723534637840434 1.1188e-07 au
i 11.15576047347434 4.6368e-06 deg
node 46.19933696237798 1.3347e-05 deg
peri 342.9318447677962 1.5029e-05 deg
M 24.33780070461061 5.4518e-06 deg
tp 2459115.080572957552
(2020-Sep-22.58057296)
1.909e-05 TDB
period 1263.507500472542
3.46
4.8282e-06
1.322e-08
d
yr
n .2849211420314979 1.0887e-09 deg/d
Q 2.851028161845368 7.263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      16558 days (45.33 yr)  
   first obs. used      1975-11-06  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:35:05  

Additional Information
 Earth MOID = .731645 au 
 Jupiter MOID = 2.59627 au 
 T_jup = 3.536 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.05   n/a MPCxxxxx  
diameter diameter 4.310 km 0.894 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 2.880 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.108   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

24038 (1999 SL8)          Discovered 1999-Sep-29 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SL8 = 1975 VZ7 = 1998 HB82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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